V2EX lateral superior olive

Lateral Superior Olive

释义 Definition

外侧上橄榄核(LSO):位于脑干听觉通路中的一个神经核团,属于上橄榄复合体的一部分,主要参与双耳听觉声源定位,尤其对两耳间强度差(ILD, interaural level difference)较敏感,常用于判断高频声音的方向。

发音 Pronunciation (IPA)

/ltrl suprir lv/
(“olive”在美式英语中也常读作 /lv/)

例句 Examples

The lateral superior olive helps the brain detect differences in sound loudness between the two ears.
外侧上橄榄核帮助大脑检测两只耳朵接收到的声音响度差异。

Damage to the lateral superior olive can impair sound localization, especially for high-frequency sounds in noisy environments.
外侧上橄榄核受损可能会影响声源定位能力,尤其是在嘈杂环境中对高频声音方向的判断。

词源 Etymology

该术语由三个常见的拉丁/古典来源词构成,属于解剖学的典型命名方式:

  • lateral 来自拉丁语 lateralis,意为“侧面的、外侧的”;
  • superior 来自拉丁语 superior,意为“上方的、更高的”;
  • olive 来自拉丁语 oliva(橄榄),在解剖学中常用于形容结构形状“像橄榄”。
    合起来字面意思是“位于上橄榄区的外侧部分”,强调其位置与形态特征。

相关词 Related Words

文学/著作中的用例 Literary Works / Notable Works

  • Principles of Neural Science(Kandel 等):在听觉通路与脑干核团章节中讨论上橄榄复合体及其在双耳线索处理中的作用。
  • Neuroscience(Purves 等):在听觉系统部分介绍声源定位机制,常提及 LSO 与 ILD 编码。
  • The Auditory Brainstem: A Review of the Structure and Function(综述类学术著作/章节):在描述上橄榄复合体结构与功能时常出现 “lateral superior olive”。
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